Herbarium specimen: Potamogeton perfoliatus x crispus = P. x cooperi
| Taxon: | named by George Taylor |
|---|---|
| Other name: | Potamogeton perfoliatus x crispus = P. x cooperi (Fryer) Fryer ("Cooper's Pondweed") named by James Edgar Dandy |
| Other name: | named by Alfred Fryer |
| Other name: | named by Alfred Fryer |
| Other name: | named by Alfred Fryer |
| Other name: | named by Alfred Fryer |
| Collected by: | Christopher Robert Billups |
| Collection date: | 11/9/1891 |
| Locality: | Great Britain, VC58 Cheshire, Chester (12 miles south of), River Dee 12 miles above Chester. |
| Institution: | Manchester Museum (MANCH) |
| Accession number: | MANCH.95374 |
